#

 # 2007 May 7

 #

 # The author disclaims copyright to this source code.  In place of

 # a legal notice, here is a blessing:

 #

 #    May you do good and not evil.

 #    May you find forgiveness for yourself and forgive others.

 #    May you share freely, never taking more than you give.

 #

 #***********************************************************************

 # This file implements regression tests for SQLite library.  The

 # focus of this script is the experimental sqlite3_create_collation_v2()

 # API.

 #

 # $Id: collate7.test,v 1.2 2008/07/12 14:52:20 drh Exp $

 set testdir [file dirname $argv0]

 source $testdir/tester.tcl

 set ::caseless_del 0

 proc caseless_cmp {zLeft zRight} {

   string compare -nocase $zLeft $zRight

 }

 do_test collate7-1.1 {

   set cmd [list incr ::caseless_del]

   sqlite3_create_collation_v2 db CASELESS caseless_cmp $cmd

   set ::caseless_del

 } {0}

 do_test collate7-1.2 {

   sqlite_delete_collation db CASELESS

   set ::caseless_del

 } {1}

 do_test collate7-1.3 {

   catchsql {

     CREATE TABLE abc(a COLLATE CASELESS, b, c);

   }

 } {1 {no such collation sequence: CASELESS}}

 do_test collate7-1.4 {

   sqlite3_create_collation_v2 db CASELESS caseless_cmp {incr ::caseless_del}

   db close

   set ::caseless_del

 } {2}

 do_test collate7-2.1 {

   file delete -force test.db test.db-journal

   sqlite3 db test.db

   sqlite3_create_collation_v2 db CASELESS caseless_cmp {incr ::caseless_del}

   execsql {

     PRAGMA encoding='utf-16';

     CREATE TABLE abc16(a COLLATE CASELESS, b, c);

   } db

   set ::caseless_del

 } {2}

 do_test collate7-2.2 {

   execsql {

     SELECT * FROM abc16 WHERE a < 'abc';

   }

   set ::caseless_del

 } {2}

 do_test collate7-2.3 {

   sqlite_delete_collation db CASELESS

   set ::caseless_del

 } {3}

 do_test collate7-2.4 {

   catchsql {

     SELECT * FROM abc16 WHERE a < 'abc';

   }

 } {1 {no such collation sequence: CASELESS}}

 finish_test